Legal claims defining the scope of protection, as filed with the USPTO.
2. The IED of claim 1, wherein the instructions, when executed by the processing circuitry, are configured to block operation of the IED based on the first data or the second data in response to determining that the first integrity check value and the second integrity check value do not match one another.
7. The IED of claim 1, wherein the instructions, when executed by the processing circuitry, are configured to cause the processing circuitry to block output of the notification in response to determining that the first integrity check value and the second integrity check value match one another.
10. The non-transitory computer-readable medium of claim 9, wherein the instructions, when executed by the processing circuitry, are configured to cause the processing circuitry to perform operations comprising encrypting third data via the MACsec function.
16. The IED of claim 15, comprising protocol circuitry, wherein the PRP control circuitry is configured to forward the first data to the protocol circuitry, and the protocol circuitry is configured to cause operation of the IED based on the first data.
20. The IED of claim 15, wherein the MACsec control circuitry is implemented in a physical layer of the IED.
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November 7, 2023
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